A magnitude ML 1.6 earthquake occured in region: 1 km W Roccabruna (CN), on
and geographic coordinates (lat, lon) 44.4810, 7.3240 at 6 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
Search earthquakes: Any within 30 km radius
The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Roccabruna | CN | 1 | 1585 | 1585 |
Cartignano | CN | 3 | 190 | 1775 |
Dronero | CN | 4 | 7035 | 8810 |
Villar San Costanzo | CN | 5 | 1547 | 10357 |
San Damiano Macra | CN | 5 | 430 | 10787 |
Montemale di Cuneo | CN | 6 | 241 | 11028 |
Valmala | CN | 7 | 52 | 11080 |
Pradleves | CN | 8 | 250 | 11330 |
Monterosso Grana | CN | 8 | 505 | 11835 |
Valgrana | CN | 9 | 786 | 12621 |
Melle | CN | 9 | 292 | 12913 |
Brossasco | CN | 11 | 1084 | 13997 |
Caraglio | CN | 11 | 6836 | 20833 |
Venasca | CN | 11 | 1437 | 22270 |
Frassino | CN | 11 | 265 | 22535 |
Rossana | CN | 11 | 908 | 23443 |
Celle di Macra | CN | 11 | 100 | 23543 |
Macra | CN | 12 | 59 | 23602 |
Castelmagno | CN | 12 | 66 | 23668 |
Busca | CN | 13 | 10181 | 33849 |
Isasca | CN | 13 | 76 | 33925 |
Bernezzo | CN | 14 | 4104 | 38029 |
Piasco | CN | 15 | 2774 | 40803 |
Brondello | CN | 15 | 290 | 41093 |
Sampeyre | CN | 15 | 1022 | 42115 |
Rittana | CN | 16 | 109 | 42224 |
Cervasca | CN | 16 | 5013 | 47237 |
Stroppo | CN | 16 | 103 | 47340 |
Costigliole Saluzzo | CN | 16 | 3375 | 50715 |
Valloriate | CN | 16 | 109 | 50824 |
Martiniana Po | CN | 17 | 734 | 51558 |
Gambasca | CN | 17 | 371 | 51929 |
Pagno | CN | 17 | 585 | 52514 |
Gaiola | CN | 17 | 582 | 53096 |
Tarantasca | CN | 18 | 2122 | 55218 |
Vignolo | CN | 18 | 2600 | 57818 |
Roccasparvera | CN | 18 | 741 | 58559 |
Castellar | CN | 18 | 295 | 58854 |
Marmora | CN | 18 | 68 | 58922 |
Demonte | CN | 18 | 2003 | 60925 |
Verzuolo | CN | 18 | 6459 | 67384 |
Sanfront | CN | 19 | 2395 | 69779 |
Moiola | CN | 19 | 234 | 70013 |
Villafalletto | CN | 19 | 2925 | 72938 |
Rifreddo | CN | 19 | 1078 | 74016 |
Canosio | CN | 19 | 80 | 74096 |
Elva | CN | 20 | 97 | 74193 |
Manta | CN | 20 | 3787 | 77980 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2020-02-22 08:10:08 |
44.4807 | 7.3243 | 6 | 2020-07-18 21:08:22 |
Bollettino Sismico Italiano INGV | 76866001 |
Reviewed Rev100 |
ML 1.6 | 2020-02-22 08:10:08 |
44.4982 | 7.3398 | 5 | 2020-02-22 08:24:05 |
Sala Sismica INGV-Roma | 76715261 |
Field | Value |
---|---|
Time (UTC) | 2020-02-22 08:10:08 ± 0.13 |
Latitude | 44.4807 ± 0.0072 |
Longitude | 7.3243 ± 0.0189 |
Depth (km) | 6 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 76866001 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1453 |
Semi-minor axis of confidence ellipse (meter) | 679 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 256 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1450.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 130 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.36 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.64571 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 76715261 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-02-22 08:24:05 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 76866001 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-02-27 12:51:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MCRV.HHZ. | 2020-02-22T08:11:45.00 | 3.0 | positive | manual | Pn | -1.77 | 0 | |||
IV.FIU.EHZ. | 2020-02-22T08:11:41.00 | 3.0 | undecidable | manual | Sn | 0.14 | 0 | |||
IV.FIR.HHZ. | 2020-02-22T08:10:56.59 | 3.0 | undecidable | manual | Pn | 2.96 | 0 | |||
IV.MRGE.HHZ. | 2020-02-22T08:10:39.13 | 3.0 | undecidable | manual | Sn | -0.55 | 0 | |||
IV.EUCT.HNZ. | 2020-02-22T08:10:33.15 | 3.0 | negative | manual | Pn | 0.48 | 0 | |||
GU.RORO.HHE. | 2020-02-22T08:10:31.15 | 0.3 | undecidable | manual | S | 125 | 71.6727 | 50 | -0.47 | 65 |
GU.GBOS.HHZ. | 2020-02-22T08:10:25.03 | 0.6 | undecidable | manual | S | 123 | 48.7179 | 50 | -0.46 | 45 |
GU.BHB.HHE. | 2020-02-22T08:10:22.81 | 0.3 | undecidable | manual | S | 353 | 39.627 | 99 | -0.11 | 75 |
GU.RORO.HHE. | 2020-02-22T08:10:22.56 | 0.3 | undecidable | manual | P | 125 | 71.6727 | 50 | 0.5 | 65 |
GU.ENR.HHZ. | 2020-02-22T08:10:19.10 | 0.3 | undecidable | manual | S | 165 | 29.1486 | 102 | -0.27 | 74 |
GU.GBOS.HHZ. | 2020-02-22T08:10:18.86 | 0.1 | undecidable | manual | P | 123 | 48.7179 | 50 | 0.34 | 93 |
GU.STV.HHZ. | 2020-02-22T08:10:17.94 | 0.3 | undecidable | manual | S | 180 | 26.0517 | 104 | -0.38 | 72 |
GU.BHB.HHE. | 2020-02-22T08:10:16.83 | 0.1 | undecidable | manual | P | 353 | 39.627 | 99 | -0.21 | 98 |
GU.ENR.HHZ. | 2020-02-22T08:10:15.36 | 0.1 | negative | manual | P | 165 | 29.1486 | 102 | 0.37 | 96 |
GU.STV.HHZ. | 2020-02-22T08:10:14.66 | 0.3 | undecidable | manual | P | 180 | 26.0517 | 104 | 0.28 | 74 |
GU.PZZ.HHZ. | 2020-02-22T08:10:14.94 | 0.1 | undecidable | manual | S | 280 | 16.7721 | 111 | -0.28 | 100 |
GU.PZZ.HHZ. | 2020-02-22T08:10:12.95 | 0.1 | positive | manual | P | 280 | 16.7721 | 111 | 0.36 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.PZZ.HHN. | ML:1.7 | 0.0005005 | 0.1 | AML | other | m | 2020-02-22T08:10:15.14 |
GU.PZZ.HHE. | ML:1.6 | 0.0004265 | 0.38 | AML | other | m | 2020-02-22T08:10:15.11 |
GU.ENR.HHN. | ML:1.4 | 0.000134 | 1.06 | AML | other | m | 2020-02-22T08:10:19.65 |
GU.ENR.HHE. | ML:1.5 | 0.000165 | 0.34 | AML | other | m | 2020-02-22T08:10:19.61 |